Electronic Principles Holes are the minority carriers in which type of semiconductor? p-type Extrinsic n-type Intrinsic None of these p-type Extrinsic n-type Intrinsic None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A real voltage source has Infinite internal resistance A small internal resistance None of these Zero internal resistance A large internal resistance Infinite internal resistance A small internal resistance None of these Zero internal resistance A large internal resistance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the total resistance of a parallel circuit that contains two resistors having values of 220 ohm and 470 ohm? 150 ohm None of these 445 ohm 690 ohm 220 ohm 150 ohm None of these 445 ohm 690 ohm 220 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 10 mA and a base current of 40 mA. What is the current gain of the transistor? 0.25 µA 300 µA None of these 350 µA 250 µA 0.25 µA 300 µA None of these 350 µA 250 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The secondary voltage for a certain power transformer is twice the voltage applied to the primary. The current flowing in the secondary winding will be: Twice the primary current No more than 10% less than the primary current Same as the primary current One-half the primary current None of these Twice the primary current No more than 10% less than the primary current Same as the primary current One-half the primary current None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage? 651 V 700 V 707 V None of these 208 V 651 V 700 V 707 V None of these 208 V ANSWER DOWNLOAD EXAMIANS APP
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